Does Magnesium Prevent Migraines?

Magnesium supplementation can help prevent migraines in some people, particularly those with magnesium deficiency. Clinical studies show that taking 400-600mg of magnesium daily reduces migraine frequency by approximately 40-50% in responsive patients. The mineral helps regulate neurotransmitter function and blood vessel constriction, both involved in migraine development. Magnesium oxide and magnesium citrate are the most commonly studied forms. However, effectiveness varies significantly between individuals, and it typically takes 8-12 weeks to see full benefits. Side effects like diarrhea can occur with higher doses, so starting with lower amounts is recommended.

Related Questions

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• Can I take magnesium with other migraine medications?

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